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| Table 1. Selected Characteristics | Census 2000 | 2007-2009 ACS | 2010 Census | 2010-2012 ACS | Is the numeric change between Census 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|---|
| Value | MOE(+/-) | Value | MOE(+/-) | Value | Value | MOE(+/-) | ||
| Total Persons 1 | 693,604 | -- | 716,925 | -- | 741,096 | 746,508 | -- | -- |
| Persons in Households 2 | 680,789 | 454 | 703,907 | -- | 726,943 | 732,117 | -- | -- |
| Total Households 3 | 287,133 | 536 | 295,838 | 1,760 | 309,175 | 303,988 | 1,772 | Yes |
| Average Number of Persons per Household 4 | 2.37 | 0.01 | 2.38 | 0.01 | 2.35 | 2.41 | 0.01 | Yes |
| Average Household Income 5 | $53,310 | $390 | $62,821 | $909 | -- | $64,500 | $1,071 | Yes |
| Average Number of Vehicles per Household 6 | 1.58 | 0.01 | 1.63 | 0.02 | -- | 1.61 | 0.02 | Yes |
| Percent of Persons in Poverty 7 | 12.40 | 0.20 | 14.90 | 0.60 | -- | 17.50 | 0.59 | Yes |
| Percent Minority 8 | 22.70 | 0.20 | 24.70 | 0.20 | 27.30 | 26.60 | 0.24 | Yes |
| Percent of Persons 65 and Over 9 | 13.50 | 0.20 | 13.40 | 0.26 | 13.40 | 13.50 | 0.27 | No |
| Percent of Persons Foreign Born 10 | 3.40 | 0.10 | 5.40 | 0.26 | -- | 6.60 | 0.36 | Yes |
| Total Workers at Place of Residence11 | 335,524 | 1,684 | 349,328 | 3,172 | -- | 347,406 | 3,473 | Yes |
| Table 2a. Mode to Work 12 | CTPP2000 | 2007-2009 ACS | 2010-2012 ACS | Is the numeric change between CTPP 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| Total Workers | 329,090 | 100.0 | 1,683 | 338,281 | 100.0 | 3,418 | 340,294 | 100.0 | 3,512 | Yes |
| Drove alone | 265,975 | 80.8 | 1,638 | 274,646 | 81.2 | 3,703 | 279,587 | 82.2 | 3,603 | Yes |
| 2-person Carpool | 29,610 | 9.0 | 681 | 25,543 | 7.6 | 1,467 | 23,089 | 6.8 | 1,413 | Yes |
| 3-or-more-person Carpool | 6,725 | 2.0 | 330 | 5,749 | 1.7 | 817 | 5,370 | 1.6 | 892 | Yes |
| Transit | 9,945 | 3.0 | 401 | 12,210 | 3.6 | 1,174 | 10,034 | 2.9 | 1,131 | No |
| Bike | 735 | 0.2 | 110 | 1,268 | 0.4 | 341 | 1,098 | 0.3 | 343 | Yes |
| Walked | 6,555 | 2.0 | 326 | 6,992 | 2.1 | 860 | 6,409 | 1.9 | 649 | No |
| Taxi, Motorcycle and Other means | 2,200 | 0.7 | 189 | 2,832 | 0.8 | 512 | 3,826 | 1.1 | 739 | Yes |
| Worked at Home | 7,350 | 2.2 | 345 | 9,041 | 2.7 | 863 | 10,881 | 3.2 | 1,014 | Yes |
| Table 2b. Mode to Work 12 | CTPP2000 | 2007-2009 ACS | 2010-2012 ACS | Is the numeric change between CTPP 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|---|---|---|
| Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | Number | Percent | MOE(+/-)* | ||
| At Place of Work | ||||||||||
| Total Workers | 404,555 | 100.0 | 1,661 | 421,178 | 100.0 | 4,699 | 422,016 | 100.0 | 4,525 | Yes |
| Drove alone | 331,780 | 82.0 | 1,683 | 348,671 | 82.8 | 4,972 | 352,120 | 83.4 | 4,315 | Yes |
| 2-person Carpool | 36,455 | 9.0 | 752 | 32,123 | 7.6 | 1,696 | 29,601 | 7.0 | 1,616 | Yes |
| 3-or-more-person Carpool | 8,600 | 2.1 | 373 | 7,176 | 1.7 | 929 | 7,006 | 1.7 | 967 | Yes |
| Transit | 10,130 | 2.5 | 404 | 12,897 | 3.1 | 1,190 | 10,357 | 2.5 | 1,151 | No |
| Bike | 805 | 0.2 | 115 | 1,230 | 0.3 | 338 | 1,083 | 0.3 | 328 | No |
| Walked | 6,595 | 1.6 | 327 | 6,876 | 1.6 | 865 | 6,471 | 1.5 | 676 | No |
| Taxi, Motorcycle and Other means | 2,845 | 0.7 | 215 | 3,164 | 0.8 | 511 | 4,497 | 1.1 | 808 | Yes |
| Worked at Home | 7,350 | 1.8 | 345 | 9,041 | 2.1 | 863 | 10,881 | 2.6 | 1,014 | Yes |
| Table 3. Mean Travel Time by Mode to Work 13 | Census 2000 | 2007-2009 ACS | 2010-2012 ACS | Is the change in travel time between Census 2000 and 2010-2012 ACS Significant? ** |
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|---|---|---|---|---|---|---|---|
| Minutes | MOE(+/-) | Minutes | MOE(+/-) | Minutes | MOE(+/-) | ||
| At Place of Residence | |||||||
| Total Workers (does not include workers who worked at home) | 21.9 | 0.1 | 21.1 | 0.4 | 22.0 | 0.4 | No |
| Drove alone | 21.2 | 0.1 | 20.5 | 0.5 | 21.4 | 0.5 | No |
| Carpooled | 24.2 | 0.5 | 21.6 | 1.9 | 22.8 | 2.1 | No |
| Transit | 38.2 | 1.2 | 39.1 | 6.1 | 41.4 | 7.5 | No |
| Taxi, Motorcycle, Walk, Bicycle and Other means | 16.5 | 1.0 | 16.4 | 2.6 | 19.1 | 4.1 | No |
Notes:
* The coefficient of variation (CV) can be derived by the standard error (SE) divided by the estimate, while SE = MOE/1.645.
** The z-value of the difference of the two estimates are used to determined if the two estimates are significantly different at 90% confidence level.
1 Census 2000 SF3 Table P1; 2007-2009 ACS Table B01003; 2010-2012 ACS Table B01003
2 Census 2000 SF3 Table P9; 2007-2009 ACS Table B09016; 2010-2012 ACS Table B01003 minus Table B26001
3 Census 2000 SF3 Table P10; 2007-2009 ACS Table B19001; 2010-2012 ACS Table B19001
4 Census 2000 SF3 Table P9 divided Census 2000 SF3 Table P10; 2007-2009 ACS Table B09016 divided 2007-2009 ACS Table B19001; 2010-2012 ACS Table S1101
5 CTPP2000 Table 1-090; 2007-2009 ACS Table B19025; 2010-2012 ACS Table B19025
6 Census 2000 SF3 Table H46; 2007-2009 ACS Table B25046; 2010-2012 ACS Table B25046
7 Census 2000 SF3 Table P87; 2007 -2009 ACS Table B17001; 2010-2012 ACS Table B17001
8 Census 2000 SF3 Table P6; 2007-2009 ACS Table B02001; 2010-2012 ACS Table B02001
9 Census 2000 SF3 Table P8; 2007-2009 ACS Table B01001; 2010-2012 ACS Table B01001
10 Census 2000 SF3 Table P21; 2007-2009 ACS Table B06003; 2010-2012 ACS Table B06003
11 Census 2000 SF3 Table P43; 2007-2009 ACS Table B23001; 2010-2012 ACS Table B23025
12 Residence place information is from CTPP2000 Table 1-002; 2007- 2009 ACS Table B08301; 2010-2012 ACS Table B08301. Workplace information is from CTPP2000 Table 2-002; 2007-2009 ACS Table B08406; 2010-2012 ACS Table B08601
13 CTPP2000 1-118; 2007-2009 ACS Table C08136; 2010-2012 ACS Table C08136
